Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71917 CD/HCP4AH1

71917 CD/HCP4AH1

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		95.8	mm
d₂		95.8	mm
D₁		109.2	mm
K		0.5	mm
C₁		5.2	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		22.8	mm

Abutment dimensions

d_a	min.	91	mm
d_b	min.	91	mm
D_a	max.	114	mm
D_b	max.	116	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		98.6	mm

Calculation data

Basic dynamic load rating	C	46.2	kN
Basic static load rating	C₀	48	kN
Fatigue load limit	P_u	2.04	kN
Attainable speed for grease lubrication		14000	r/min
Attainable speed for oil-air lubrication		20000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	25
Reference grease quantity	G_ref	7.2	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	170	N
Static axial stiffness, preload class A		99	N/µm
Preload class B	G_B	340	N
Static axial stiffness, preload class B		135	N/µm
Preload class C	G_C	680	N
Static axial stiffness, preload class C		191	N/µm
Preload class D	G_D	1360	N
Static axial stiffness, preload class D		279	N/µm
Calculation factors
Calculation factor	f	1.2
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	16.2

Mass

Mass bearing

0.45

Model Number: 71917 CD/HCP4AH1
Inner Diameter：85mm Outer Diameter：120mm Width：18mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2026-04-16
Application:fabric products,pressure control valve,suction nozzle,Switch,altimeter etc,chamfer,Vacuum generator,Other Machine Tools,quality inspection equipment,spreader series,Processing machinery
Similar models:71917 CB/P4AL S71917 ACD/P4A 71917 ACB/HCP4A S71917 ACB/HCP4A 71917 CB/HCP4AL S71917 CB/HCP4A 71917 CB/P4A 71917 ACE/HCP4AH1 71917 CE/P4AH1 71917 ACD/HCP4AH1
BEARING POWER International Trading Co.,Ltd. specialize in 71917CD/HCP4AH1 products，there is large inventory of SKF 71917 CD/HCP4AH1 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71917 CD/HCP4AH1 Which SKF 71917CD/HCP4AH1 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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